huohua

Extracts thumbnails from video URLs. Use when publishing video content that requires a cover image, when the user does not provide a cover/thumbnail, or before publishing to platforms that require cover images (Kwai, Bilibili, YouTube). 提取封面、视频封面、生成封面、缩略图提取、视频缩略图、截取封面。

Generates videos using Grok (preferred) and Google Veo 3.1 models. Supports text-to-video, image-to-video, first-last-frame, video extension, and reference images. AI视频生成、文生视频、图生视频、首尾帧生成、视频拓展。

为指定服务维护产品文档与代码的同步。文档不存在时以 OpenAPI 规范为基础从头生成；文档已存在时根据 git diff 更新受影响章节，并刷新最后更新时间和代码基准 hash。